Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
13/03/2024, 04:40
Static task
static1
Behavioral task
behavioral1
Sample
c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe
Resource
win10v2004-20240226-en
General
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Target
c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe
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Size
11.5MB
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MD5
c4ffcd2bd37b1c2d3152f4bbde0a0d6a
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SHA1
0139695f29932d6a4ca7f04c6cb9a42dbfeeca70
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SHA256
0ed2549b5144673e94c79df078daa20e3a07b8d90edcd7422bafe216512bedca
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SHA512
d6e24017484c9781c31646c41f1b7307b7a8c2755201e894a15d0e620e1384be9e5b0862873f7271f5481fb7b9ad2b37804f07b1133ed512b7a5cc7da81d91c1
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SSDEEP
24576:1Uqa71YB5DHlommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmW:1F15
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ldrqqgny = "0" svchost.exe -
Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2668 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ldrqqgny\ImagePath = "C:\\Windows\\SysWOW64\\ldrqqgny\\ivrhpwrb.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2388 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2708 ivrhpwrb.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2708 set thread context of 2388 2708 ivrhpwrb.exe 41 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2592 sc.exe 3000 sc.exe 2252 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2020 wrote to memory of 1092 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 28 PID 2020 wrote to memory of 1092 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 28 PID 2020 wrote to memory of 1092 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 28 PID 2020 wrote to memory of 1092 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 28 PID 2020 wrote to memory of 1408 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 30 PID 2020 wrote to memory of 1408 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 30 PID 2020 wrote to memory of 1408 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 30 PID 2020 wrote to memory of 1408 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 30 PID 2020 wrote to memory of 2592 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 32 PID 2020 wrote to memory of 2592 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 32 PID 2020 wrote to memory of 2592 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 32 PID 2020 wrote to memory of 2592 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 32 PID 2020 wrote to memory of 3000 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 34 PID 2020 wrote to memory of 3000 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 34 PID 2020 wrote to memory of 3000 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 34 PID 2020 wrote to memory of 3000 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 34 PID 2020 wrote to memory of 2252 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 36 PID 2020 wrote to memory of 2252 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 36 PID 2020 wrote to memory of 2252 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 36 PID 2020 wrote to memory of 2252 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 36 PID 2020 wrote to memory of 2668 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 38 PID 2020 wrote to memory of 2668 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 38 PID 2020 wrote to memory of 2668 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 38 PID 2020 wrote to memory of 2668 2020 c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe 38 PID 2708 wrote to memory of 2388 2708 ivrhpwrb.exe 41 PID 2708 wrote to memory of 2388 2708 ivrhpwrb.exe 41 PID 2708 wrote to memory of 2388 2708 ivrhpwrb.exe 41 PID 2708 wrote to memory of 2388 2708 ivrhpwrb.exe 41 PID 2708 wrote to memory of 2388 2708 ivrhpwrb.exe 41 PID 2708 wrote to memory of 2388 2708 ivrhpwrb.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe"C:\Users\Admin\AppData\Local\Temp\c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ldrqqgny\2⤵PID:1092
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ivrhpwrb.exe" C:\Windows\SysWOW64\ldrqqgny\2⤵PID:1408
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ldrqqgny binPath= "C:\Windows\SysWOW64\ldrqqgny\ivrhpwrb.exe /d\"C:\Users\Admin\AppData\Local\Temp\c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:2592
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ldrqqgny "wifi internet conection"2⤵
- Launches sc.exe
PID:3000
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ldrqqgny2⤵
- Launches sc.exe
PID:2252
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
PID:2668
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C:\Windows\SysWOW64\ldrqqgny\ivrhpwrb.exeC:\Windows\SysWOW64\ldrqqgny\ivrhpwrb.exe /d"C:\Users\Admin\AppData\Local\Temp\c4ffcd2bd37b1c2d3152f4bbde0a0d6a.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2388
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
13.5MB
MD5940fe0b10d13f73041f51dc1a6e0b643
SHA1582aac5b5e0693102bd3278b2596812e1c141b68
SHA256b38d751c3e6462d6a112c32e7d23f9b173c8533cb3e297c4bcf0ff597d0315ac
SHA5127cc5addf4ba5a20597f5d8add5231d9f5edf811d810883b784746014540281657bb39a6329ffdc5e9e36774176055d0733c3e8ec70731059119601fd8a8fe498